Generated config don't wait for a bond to be up

Try this configuration for netplan:

network:
  version: 2
  renderer: networkd

  ethernets:
    enp2s0f0:
      dhcp4: no
    enp2s0f1:
      dhcp4: no

  bonds:
    bond0:
      parameters:
        mode: 802.3ad
        lacp-rate: fast
      interfaces:
        - enp2s0f0
        - enp2s0f1

  vlans:
    mainlan:
      id: 1
      link: bond0
      addresses: [192.168.111.229/24]
    dmz:
      id: 3
      link: bond0
      addresses: [192.168.117.229/24]

##########################################

bond take a little time to be up, vlans are appliend immediatly and so vlans interfaces don't gets the ip.
Using a bond different than 802.3ad there isn't this delay and vlans interfaces gets correctlr the ip.

ifconfig result:

bond0: flags=5123<UP,BROADCAST,MASTER,MULTICAST> mtu 1500
        ether xx:xx:xx:xx:xx:xx txqueuelen 1000 (Ethernet)
        RX packets 0 bytes 0 (0.0 B)
        RX errors 0 dropped 0 overruns 0 frame 0
        TX packets 0 bytes 0 (0.0 B)
        TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

dmz: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
        ether xx:xx:xx:xx:xx:xx txqueuelen 1000 (Ethernet)
        RX packets 0 bytes 0 (0.0 B)
        RX errors 0 dropped 0 overruns 0 frame 0
        TX packets 0 bytes 0 (0.0 B)
        TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

enp2s0f0: flags=6147<UP,BROADCAST,SLAVE,MULTICAST> mtu 1500
        ether xx:xx:xx:xx:xx:xx txqueuelen 1000 (Ethernet)
        RX packets 0 bytes 0 (0.0 B)
        RX errors 0 dropped 0 overruns 0 frame 0
        TX packets 0 bytes 0 (0.0 B)
        TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
        device interrupt 222

enp2s0f1: flags=6147<UP,BROADCAST,SLAVE,MULTICAST> mtu 1500
        ether xx:xx:xx:xx:xx:xx txqueuelen 1000 (Ethernet)
        RX packets 0 bytes 0 (0.0 B)
        RX errors 0 dropped 0 overruns 0 frame 0
        TX packets 0 bytes 0 (0.0 B)
        TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
        device interrupt 225

mainlan: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
        ether xx:xx:xx:xx:xx:xx txqueuelen 1000 (Ethernet)
        RX packets 0 bytes 0 (0.0 B)
        RX errors 0 dropped 0 overruns 0 frame 0
        TX packets 0 bytes 0 (0.0 B)
        TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
        inet 127.0.0.1 netmask 255.0.0.0
        loop txqueuelen 1000 (Loopback locale)
        RX packets 24 bytes 1694 (1.6 KB)
        RX errors 0 dropped 0 overruns 0 frame 0
        TX packets 24 bytes 1694 (1.6 KB)
        TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

video: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
        ether xx:xx:xx:xx:xx:xx txqueuelen 1000 (Ethernet)
        RX packets 0 bytes 0 (0.0 B)
        RX errors 0 dropped 0 overruns 0 frame 0
        TX packets 0 bytes 0 (0.0 B)
        TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: netplan (not installed)
ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
Uname: Linux 4.13.0-16-generic x86_64
ApportVersion: 2.20.7-0ubuntu3
Architecture: amd64
Date: Fri Oct 20 14:02:03 2017
ProcEnviron:
 LANG=it_IT.UTF-8
 TERM=linux
 SHELL=/bin/bash
 PATH=(custom, no user)
SourcePackage: plan
UpgradeStatus: No upgrade log present (probably fresh install)